diff --git a/hex/helpers/lib/parse_deps.exs b/hex/helpers/lib/parse_deps.exs
index f4b2240dd53..89d8f8c4d62 100644
--- a/hex/helpers/lib/parse_deps.exs
+++ b/hex/helpers/lib/parse_deps.exs
@@ -109,7 +109,7 @@ defmodule Parser do
     %{
       type: "git",
       url: repo_url,
-      branch: opts[:branch] || "master",
+      branch: opts[:branch],
       ref: ref
     }
   end
diff --git a/npm_and_yarn/lib/dependabot/npm_and_yarn/file_parser.rb b/npm_and_yarn/lib/dependabot/npm_and_yarn/file_parser.rb
index b4c251047b8..62a4afed944 100644
--- a/npm_and_yarn/lib/dependabot/npm_and_yarn/file_parser.rb
+++ b/npm_and_yarn/lib/dependabot/npm_and_yarn/file_parser.rb
@@ -508,7 +508,7 @@ def git_source_for(requirement)
           type: "git",
           url: "https://#{host}/#{details['username']}/#{details['repo']}",
           branch: nil,
-          ref: details["ref"] || "master"
+          ref: details["ref"]
         }
       end